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Tenth Grade (Grade 10) Biochemical Pathways Questions

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Grade 10 Biochemical Pathways
Oxygen is released during what part of photosynthesis?
  1. Light Reactions
  2. Calvin Cycle
  3. Kreb's Cycle
  4. Glycolysis
Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
What are the reactants of cellular respiration?
  1. Glucose and oxygen
  2. Oxygen and carbon dioxide
  3. Water and oxygen
  4. Glucose and carbon dioxide
Grade 10 Biochemical Pathways
What are the products of cellular respiration?
  1. Carbon dioxide
  2. Water
  3. Energy
  4. All of the above
Grade 10 Biochemical Pathways
Which of these best describes the process of cellular respiration?
  1. Occur only in animals
  2. Perform only by the ones who can't do photosynthesis
  3. Occur in all organisms
  4. Converts chemical energy in food to usable energy (ATP) in all organisms
Grade 10 Biochemical Pathways
Which of these are the product of photosynthesis?
  1. Carbon dioxide and water
  2. Oxygen and glucose
  3. Water, carbon dioxide, and ATP
  4. ATP and water
Grade 10 Biochemical Pathways
What do both plants and animals use oxygen for?
  1. respiration
  2. breathing
  3. photosynthesis
  4. transpiration
Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
What pigment is present in leaves to trap sunlight?
  1. chloroplast
  2. stomata
  3. xanthophyll
  4. chlorophyll
Grade 10 Biochemical Pathways
What are the stages of cellular respiration?
  1. glycolysis
  2. krebs cycle
  3. electron transport
  4. all of these
Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
The main purpose of photosynthesis is                                                                       .
  1. provide nutrients for plants
  2. to produce oxygen for other organisms
  3. to convert chemical energy in glucose into ATP molecules
  4. to transform light energy from the sun into chemical energy as glucose
Grade 10 Biochemical Pathways
[math]ENERGY+6CO_2+6H_2OrarrC_6H_12O_6+6O_2[/math]

The formula above gives the overall products and reactants for what process?
  1. photosynthesis
  2. cellular respiration
  3. cellular transport
  4. the Kreb's cycle
  5. the Calving cycle
Grade 10 Biochemical Pathways
What is NOT true about energy transformation in living things?
  1. Energy from respiration is recycled by plants to carry out photosynthesis
  2. Light energy is converted to chemical energy by plants during photosynthesis
  3. Chemical energy is transformed to heat energy as organisms carry out respiration
  4. Energy is stored by plants in bonds of organic compounds used as food
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